'It would be like unleashing 24 atomic bombs': Scientists so

NASA says Bennu is one of the two 'most hazardous known asteroids' - but also a learning opportunity. Its OSIRIS-REx returns with Bennu samples Sunday

Related Keywords

Japan , Utah , United States , Egypt , Washington , Salt Lake City , Great Salt Lake Desert , American , Japanese , Lindley Johnson , Hakeem Oluyesi , Davide Farnocchia , Union Tsar Bomba , Planetary Defense Coordination Office , Earth Object Observations Program , Goddard Space Flight Center , Plasma Physics Laboratory , Propulsion Laboratory , Empire State Building , Soviet Union , Tsar Bomba , Rich Burns , Space Flight , Utah Test , Training Range , Salt Lake , Defense Coordination Office , Nightingale Hazard Map , Near Earth Object Observations Program , Eiffel Tower , Dailymail , Sciencetech , Solar System , Nasa , Nuclear Weapons ,